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BC Air Brake Test 9

  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Based on 2024 BC commercial driver's licence manual
  • Updated for June 2024
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
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BC commercial driver's licence
5 out of 5,
1 votes

About this test

The scenic routes of British Columbia, like the Pacific Rim Highway, demand utmost attention and skill when you're at the wheel of a commercial vehicle. Our Test 9 with 50 questions will further prepare you for the official Air Brake exam, covering all essentials from the latest BC commercial driver's manual.

List of questions (classic view)

  1. How can you determine if your air brake system includes an integrated air dryer system?
  2. What should you fill the alcohol reservoir with during the colder months?
  3. What is indicated if more than a few droplets of water are noticed when the supply reservoir is drained?
  4. What are some automatic drain valves furnished with to avoid freezing in freezing conditions?
  5. What happens to the air once it's been processed by the dryers?
  6. Once a vehicle equipped with a spring brake emergency release system has been moved, how can you reapply the spring parking brakes?
  7. What's another name for the limiting valve that forms an integral part of an automatic front wheel limiting system?
  8. When the first reservoir has reached maximum pressure, which of these happens?
  9. What are spring parking brake emergency release systems sometimes known as?
  10. Where are alcohol injectors usually installed?
  11. If a bobtail tractor is equipped with a bobtail proportioning system, which of the following statements is true?
  12. What air pressure do conventional air-over-hydraulic brake systems operate at?
  13. What are the two available settings of a manual front wheel limiting system?
  14. What's the purpose of incorporating a one-way check valve in the brake system?
  15. What is the function of the spring parking brake emergency release system?
  16. Who is qualified to adjust wedge brakes?
  17. What is the primary function of an air dryer in an air brake system?
  18. Do new vehicles still come with manual front wheel limiting systems installed?
  19. Generally, you must have an air brake-endorsed driver's licence to operate a vehicle equipped with air-over-hydraulic brakes. The only exception is
  20. What feature do some air dryers come equipped with to prevent freezing in colder conditions?
  21. According to the British Columbia Driving Commercial Vehicles handbook, foundation brakes that can be found on air-braked vehicles include
  22. What is another term for automatic drain valves?
  23. Even with the inclusion of an air dryer in the air brake system, should the air reservoirs still be periodically drained to check for contaminants?
  24. Some tractor dashboards have a round blue button in addition to the yellow button and the red button. What does the blue button control?
  25. How many variants of front wheel limiting systems exist?
  26. Air-over-hydraulic brakes are commonly found on what types of vehicles?
  27. What is the function of alcohol evaporators and alcohol injectors?
  28. The current that pulsates in the anti-lock brake system is monitored by what?
  29. Is a dashboard-fitted failure warning lamp present in trucks and tractors to monitor the ABS system?
  30. What is implied by the term "slack adjustment" in regards to braking?
  31. How would you determine the amount of air pressure present in the main reservoirs?
  32. The shutoff pressures of the pressure-protection valves vary between which two values?
  33. Pressure-protection valves (if so equipped) are able to cut off the air supply to
  34. When driving an ABS-equipped vehicle on extremely slippery roads, how can you perform a stop in the shortest possible distance?
  35. When should you check whether the trailer has anti-lock brakes (ABS)?
  36. What is the maximum available stroke of a Type 30 brake chamber?
  37. How can you inspect the air brake chamber pushrod travel without crawling under the vehicle?
  38. What are the consequences of operating a vehicle with defective brakes?
  39. Some vehicles utilize air pressure gauges to indicate the pressure within the reservoirs and the...
  40. In trucks with anti-lock brakes, what common name is given to solenoid valves?
  41. Before commencing an air brake pre-trip inspection, you should do all of the following EXCEPT
  42. You can still operate the vehicle if which of the following is the case?
  43. Brake failures and runaways that result in accidents are almost never caused by...
  44. Which of the following vehicles do NOT usually have a spring parking brake emergency release system?
  45. A long stroke Type 30 is referred to as what?
  46. How can the driver determine if the trailer's air brake anti-lock braking system is malfunctioning?
  47. Which type of air brake chamber is most frequently used on trucks and trailers?
  48. What is deemed as the most crucial part of any brake system?
  49. Is there a difference in emergency stopping with a combination unit where the tractor and all trailers are equipped with ABS?
  50. In a vehicle equipped with ABS, what will happen if hard braking causes the wheels to lock up?